I brought some like that for a intercooled GN. One hole on the flange didn't line up and had to enlarge the hole. Same thing for a hole on the flange that holds the turbo. The cross pipes took a little finesse to get them to work. There was a bit of a exhaust leak from the joints. They can work, but it takes some massaging to get them to fit and function well. Got a set of TA's after getting tired of seeing and hearing the Chinese eBay ones leak.....I was impressed with the TA's, a little pricey, but well worth not having the hassles that I eliminated
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